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84045107748 = 223731131433569
BaseRepresentation
bin100111001000101111…
…0101001001000100100
322000221020200211122110
41032101132221020210
52334111021421443
6102335414201020
76033500425440
oct1162136511044
9260836624573
1084045107748
11327092aa438
1214356653170
137c051babb4
1440d40b1820
1522bd6a4233
hex13917a9224

84045107748 has 192 divisors, whose sum is σ = 234065018880. Its totient is φ = 22967193600.

The previous prime is 84045107747. The next prime is 84045107777. The reversal of 84045107748 is 84770154048.

It is a junction number, because it is equal to n+sod(n) for n = 84045107697 and 84045107706.

It is not an unprimeable number, because it can be changed into a prime (84045107747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147706408 + ... + 147706976.

It is an arithmetic number, because the mean of its divisors is an integer number (1219088640).

Almost surely, 284045107748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84045107748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117032509440).

84045107748 is an abundant number, since it is smaller than the sum of its proper divisors (150019911132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84045107748 is a wasteful number, since it uses less digits than its factorization.

84045107748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 84045107748 in words is "eighty-four billion, forty-five million, one hundred seven thousand, seven hundred forty-eight".